atlas/web/_js/time.js

158 lines
No EOL
4.2 KiB
JavaScript

/*
========================================================================
The 2022 /r/place Atlas
An Atlas of Reddit's 2022 /r/place, with information to each
artwork of the canvas provided by the community.
Copyright (c) 2017 Roland Rytz <roland@draemm.li>
Copyright (c) 2022 r/placeAtlas2 contributors
Licensed under the GNU Affero General Public License Version 3
https://place-atlas.stefanocoding.me/license.txt
========================================================================
*/
const timeConfig = [
{
timestamp: 1648822500,
url: "./_img/place/1648822500.png",
image: null
},
{
timestamp: 1648847036,
url: "./_img/place/1648847036.png",
image: null
},
{
timestamp: 1648870452,
url: "./_img/place/1648870452.png",
image: null
},
{
timestamp: 1648893666,
url: "./_img/place/1648893666.png",
image: null
},
{
timestamp: 1648917500,
url: "./_img/place/1648917500.png",
image: null
},
{
timestamp: 1648942113,
url: "./_img/place/1648942113.png",
image: null
},
{
timestamp: 1648956234,
url: "./_img/place/1648956234.png",
image: null
},
{
timestamp: 1648968061,
url: "./_img/place/1648968061.png",
image: null
},
{
timestamp: 1648979987,
url: "./_img/place/1648979987.png",
image: null
},
{
timestamp: 1648992274,
url: "./_img/place/1648992274.png",
image: null
},
{
timestamp: 1649012915,
url: "./_img/place/1649012915.png",
image: null
},
{
timestamp: 1649037182,
url: "./_img/place/1649037182.png",
image: null
},
{
timestamp: 1649060793,
url: "./_img/place/1649060793.png",
image: null
},
{
timestamp: 1649084741,
url: "./_img/place/1649084741.png",
image: null
},
{
timestamp: 1649113199,
url: "./_img/place/final.png",
image: null,
showAtlas: true,
}
];
let slider = document.getElementById("timeControlsSlider");
let tooltip = document.getElementById("timeControlsTooltip")
let image = document.getElementById("image");
let abortController = new AbortController()
let currentUpdateIndex = 0
let updateTimeout = setTimeout(null, 0)
let timeCallback = (a) => {};
let atlasBackup = [];
// SETUP
slider.max = timeConfig.length;
slider.value = timeConfig.length;
updateTime(slider.value)
slider.addEventListener("input", (event) => {
updateTooltip(parseInt(event.target.value))
clearTimeout(updateTimeout)
updateTimeout = setTimeout(() => {
updateTime(parseInt(event.target.value))
}, 100)
})
async function updateTime(index) {
document.body.dataset.canvasLoading = true
abortController.abort()
abortController = new AbortController()
currentUpdateIndex++
let myUpdateIndex = currentUpdateIndex
let configObject = timeConfig[index-1];
if (!configObject.image) {
console.log("fetching");
let fetchResult = await fetch(configObject.url, {
signal: abortController.signal
});
if (currentUpdateIndex !== myUpdateIndex) {
hideLoading()
return
}
let imageBlob = await fetchResult.blob();
configObject.image = URL.createObjectURL(imageBlob);
}
image.src = configObject.image;
// TEMP ATLAS ONLY ON LAST TIMESTAMP
if (configObject.showAtlas) {
atlas = atlasBackup
} else {
atlas = []
}
timeCallback(atlas)
document.body.dataset.canvasLoading = false
}
function updateTooltip(index) {
var configObject = timeConfig[index-1]
if (typeof configObject.timestamp === "number") tooltip.querySelector('p').textContent = new Date(configObject.timestamp*1000).toUTCString()
else tooltip.querySelector('p').textContent = configObject.timestamp
tooltip.style.left = (((slider.offsetWidth)*(slider.value-1)/(slider.max-1)) - tooltip.offsetWidth/2) + "px"
}
tooltip.parentElement.addEventListener('mouseenter', () => updateTooltip(parseInt(slider.value)))
window.addEventListener('resize', () => updateTooltip(parseInt(slider.value)))